4processed

Form 4 — Insider Transaction

NPK International Inc.(NPKI)

Filing Date

June 8, 2026

Accepted

June 8, 2026

Accession No.

0001880836-26-000006

CIK

0000071829

Insider Transactions

InsiderTitleTypeSharesPriceValueOwned AfterSecurityDate
Briggs LoriVP & President, Ind. SolutionsOther8.3K$14.75247.2KCommon StockJun 8, 2026